ABB A135-M65 - Table 14 Wet Cleaning of Turbines, Pa

Operation Manual / 4 Product description / A130-M.. - A145-M..
6
Periodic maintenanc
e work Page 53 /
121
© Copyright 2017 ABB. All rights reserved.
HZTL4031_EN
Revision E
January 2017
Figure 23: Carrying out wet cleaning of turbines
 Fulfil prerequisites.
 Ensure that the water supply (01) is guaranteed.
 Open the stop valve (02) and set the water volume flow V
W
with a flowmeter (03) (see
cleaning parameters).
 Close the stop valve (02) after 10 minutes.
 Wait for 10 minutes; do not change the load during this stabilisation phase.
If the cleaning result is unsatisfactory or there is water leakage, contact an ABB Turbocharg-
ing Service Station.
Product
Temperature before
turbine before clean-
ing [°C]
Maximum tempera-
ture before turbine
during cleaning [°C]
Water volume flow
V
W
[dm
3
/min]
1)
Injection time
[min]
A130 350 ... 430 530 4.0 10
A135 350 ... 430 530 5.5 10
A140 350 ... 430 530 8.5 10
A145 350 ... 430 530 12.0 10
Table 14: Wet cleaning of turbines, parameters
1)
Corresponds to a water pressure p
WT
of 1.5 bar (overpressure compared to atmosphere)